lip

Definition of lip

1: either of two fleshy folds that surround the mouth in humans and many other vertebrates and are organs of human speech essential to certain articulations; also: the red or pinkish margin of the human lip

3a: a fleshy edge or margin (as of a wound)b:labiumc:labellum 1d: a limb of a labiate corolla

4a: the edge of a hollow vessel or cavityb: a projecting edge: as (1): the beveled upper edge of the mouth of an organ flue pipe (2): the sharp cutting edge on the end of a tool (as an auger) (3): a short spout (as on a pitcher) c:edge 2

lipped

Medical Dictionary

lip

Medical Definition of lip

1: either of the two fleshy folds which surround the opening of the mouth in humans and many other vertebrates and in humans are organs of speech essential to certain articulations; also: the pinkish or reddish margin of a human lip composed of nonglandular mucous membrane and usually exposed when the mouth takes on its natural set